Home Prefix Lookup185.121.4.0/22

185.121.4.0/22 - Amazon.Com (AS16509)

IPv4ARINallocatedAS16509AMAZON-02 - Amazon.com, Inc. RPKI Valid

CIDR

185.121.4.0/22

IP Version

IPv4

Addresses

Mask

/22 (255.255.252.0)

Country

🇺🇸 United States

City

Seattle

RIR

ARIN

Status

allocated

Allocated

2024-12-04

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
185.121.4.0/22	AS16509 AMAZON-02 - Amazon.com, Inc.	Valid	-	2026-10-20

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
185.121.4.0/22	AS16509	/24	arin

Transfer History

Registry transfers of 185.121.4.0/22, blocks inside it, or blocks containing it.

185.121.4.0/22inter-RIRTransfer · 2024-12-04
Glide Student & Residential Limited
RIPE NCC
→
Amazon.com, Inc.
🇺🇸 US ARIN
185.121.4.0/22Transfer · 2020-05-18
Glide Utilities Ltd.
RIPE NCC
→
Glide Student & Residential Limited
RIPE NCC

Date	Resource	From	To	Type
2024-12-04	185.121.4.0/22inter-RIR	Glide Student & Residential Limited RIPE NCC	Amazon.com, Inc. 🇺🇸 US ARIN	Transfer
2020-05-18	185.121.4.0/22	Glide Utilities Ltd. RIPE NCC	Glide Student & Residential Limited RIPE NCC	Transfer

Origin ASN

AS16509

AMAZON-02 - Amazon.com, Inc.

Related Prefixes

More prefixes of AS16509

All prefixes of AS16509 →

Geolocation

Country🇺🇸United StatesUS

RegionWashington

CitySeattle

Coordinates47.4815, -122.2460 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/185.121.4.0/22

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/185.121.4.0/22" | jq

External Links

RIPEstat